(0 11 2)(1 15 8)(3 20 5)(4 12 6)(7 16 13)(9 18 10)(14 19 17)
ALLOWS (11/8)-SEQUENCE
1: (10 11 18)

(0 11 9 18 2)(1 15 8)(3 20 5)(4 12 6)(7 16 13)(10)(14 19 17)
2: (2 9 18)

(0 11 9)(1 15 8)(2)(3 20 5)(4 12 6)(7 16 13)(10)(14 19 17)(18)
3: (1 15 8)

(0 11 9)(1)(2)(3 20 5)(4 12 6)(7 16 13)(8)(10)(14 19 17)(15)(18)
4: (14 19 17)

(0 11 9)(1)(2)(3 20 5)(4 12 6)(7 16 13)(8)(10)(14)(15)(17)(18)(19)